Effect of corneal incision in cataract surgery on astigmatism and optical aberrations

Corneal astigmatism & wavefront aberration changes after cataract surgery: single clear corneal incision versus paired opposite clear corneal incisions

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT2013031712833N1

Enrollment

Registered

2013-04-21

Start date

2011-03-20

Completion date

Unknown

Last updated

2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

corneal astigmatism and aberrations. Disorders of ocular muscles, binocular movement, accommodation and refraction,

Interventions

Intervention 1: Control group:Single clear corneal incision on steep meridian. Intervention 2: Intervention group:Paired opposite clear corneal incisions on steep meridian.

Treatment - Surgery

Control group:Single clear corneal incision on steep meridian

Intervention group:Paired opposite clear corneal incisions on steep meridian

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Inclusion criteria:Patients with cataract ; Corneal astigmatism greater than 1.5 diopter Exclusion:Any other corneal pathology; Corneal scar; Pteregium; History of previos corneal surgery; Peri operative complication.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Keratometric astigmatism. Timepoint: Preoperation and 3monthes postoperation. Method of measurement: Keratometery.;Optical aberrations. Timepoint: Preoperation and 3 months post operation. Method of measurement: Wavefront.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactNima Koosha

Isfahan University Of Medical Sciences

koosha@resident.mui.ac.ir n_koosha@yahoo.com+98 31 1776 8475

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026